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Finding the Fourth Proportional to 6,642.36, 9,962.40 and 2,024.28

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Solution

The fourth proportional to 6,642.36, 9,962.40 and 2,024.28 is: 3,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.36 : 9,962.40 = 2,024.28 : x
  2. Step 2: Convert to fraction form
    6,642.36/9,962.40 = 2,024.28/x
  3. Step 3: Cross multiply
    6,642.36x = 9,962.40 × 2,024.28
  4. Step 4: Simplify right side
    6,642.36x = 20,166,687.07
  5. Step 5: Solve for x
    x = 20,166,687.07/6,642.36
  6. Step 6: Final answer
    x = 3,036.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.